STC SR01935NY-D

FAA Form 8110-2 (5/14) Page 1 of 2 Number: SR01935NY-D This certificate issued to: Diagnostic Solutions International LLC 2580 East Philadelphia, Unit C Ontario, CA 91761 Part 27 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: Make: Bell R00001RC Model: 427 Description of Type Design Change:

Installation of a Honeywell Chadwick Model 15175 VXP System in accordance with Keystone Helicopter Installation Drawing List IDL00890 Rev. A, dated March 9, 2005, or later approved revision.

1) Keystone Helicopter Instructions for Continued Airwor thiness (ICA), Honeywell Chadwick Model 15175 VXP System Installation in a Bell Helicopter Textron Model 427 Helicopter, Report No. IC00890 Rev. -, dated January 5, 2005, or later approved revision is required for this modification.

2) The approval should not be incorporated in any aircraft of this specific model on which other approved modifications are incorporated, unless it is determined that the interrelations hip between this change and any of those previously incorporated approved modification will not introduce any adverse effect on the airworthiness of the aircraft.

3) If the holder agrees to permit another person to use this ce rtificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of Application: October 19, 2004 Date Reissued: 2/8/2011; 4/1/2013; 3/24/2020, 12/14/20 Date of Issuance: March 31, 2005 Date Amended:

By Direction of the Administrator Signature Original signed by Tina Miller for Charlene Combs Title Program Manager, Wichita ACO Branch

FAA Form 8110-2 (5/14) Page 2 of 2

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: SR01935NY-D To (Name and address of transferee) From (Name and address of grantor) Extent of Authority (if licensing agreement):